High-entropy oxides (HEOs), known for their high theoretical capacity and structural stability, are considered promising anode materials for next-generation lithium-ion batteries (LIBs). In this research, we synthesized a novel spinel-type HEO, (CrMnCo.NiZn)O, using a solution combustion method. By adjusting the quantity of the combustion agent, we produced samples with varying crystallite sizes. The

Excessive use of carbendazim (CBZ) for controlling fungal disease may result in pesticide residues in growth environments. There is an urgent requirement for real-time detection of CBZ content to enable rapid assessment of pesticide residues. Herein, a novel electrochemical sensor was created, which utilizes a laser-induced graphene (LIG) electrode modified with two-dimensional (2D) tungsten disulfide

A model is proposed to account for the influence of electrode surface modifications in electrochemical DNA sensors operating under flow conditions. With blocking self-assembled monolayers of double-stranded DNA, the performance of the electrochemical transduction signal in the presence of a redox mediator is generally attributed to the rate of long-range electron transfer or to the screening effects

The membrane electrode assembly of a PEM fuel cell is hotter than the gas feeding plates because heat is generated within it, and the diffusion layers are thermally resistive. The temperature gradient created, which increases as a function of the current density, is useful for evacuating the water produced in vapor form. This water transport mechanism is known as the “heat pipe effect”. The temperature

In the quest for more sustainable chemical processes, we devised a technique using electro-organocatalysis to synthesize bis--diketone compounds via Knoevenagel condensation of benzaldehyde and dimedone. Our approach involves a modified electrode fabricated anchoring L-proline onto a carbon fiber paper electrode supported by poly-3,4-diaminobenzoic acid (PDABA), which enhances efficiency in addition

Lithium cobalt oxide (LiCoO₂) and graphite are considered the optimal cathode and anode, respectively, for lithium-ion batteries (LIBs) in digital 3C products, including computers, communication devices, and consumer electronics. The underlying failure mechanism of commercial LiCoO₂/graphite LIBs at high temperatures has been elucidated through non-destructive and disassembling characterizations. The

-Raman spectro-electrochemistry is frequently used for the investigation of carbon electrode materials, contributing to our fundamental understanding of reaction pathways, surface intermediates or degradation processes. A challenge when using the -Raman technique is to ensure that the measurement results are not influenced by the irradiation with the high-energy laser beam. Therefore, reference experiments

A straightforward electrochemical method was developed to modify titanium dioxide nanotubes (TiO NTs), creating oxygen vacancies via electrochemical reduction (ER) and depositing nickel hydroxide nanospheres (Ni(OH) NSs). This was done to discover the electrochemical properties of a TiO NTs based binder-free supercapacitor electrode. The improved conductivity of the reduced TiO NTs (R-TiO NTs) electrode

Templated electrodeposition is an efficient technique for the bottom-up fabrication of nanostructures and can effectively control the size and shape of the electrodeposits. Here, mesoporous silica thin films with highly ordered mesopores and a regular three-dimensional mesostructure were synthesised as templates for electrodeposition. The mesoporous silica films have small mesopores (∼8 nm) and complex

In the advancement of electrochemical energy systems, multifunctional catalysts for the oxygen reduction reaction (ORR), hydrogen evolution reaction (HER), and oxygen evolution reaction (OER) are indispensable. Moreover, catalysts produced by incorporating transition metals into two-dimensional materials via substitutional modification have demonstrated remarkable efficacy. The present study examines

Although TiAlNb alloy has numerous exceptional properties that make it one of the most promising materials in the aerospace field, it also presents significant challenges to traditional machining. Nevertheless, electrochemical machining (ECM) presents distinctive advantages when it comes to processing difficult-to-cut materials. Regrettably, the electrochemical dissolution behavior of TiAlNb alloy

The development of supercapacitor electrodes for high energy storage applications requires the use of ternary composites made of PPy, Mxene, Gum Arabic (PPy/Mxene/GA) these materials are special because they have new characteristics like cyclic stability, and high specific capacitance. The pure PPy, PPy/Mxene and PPy/Mxene/Gum Arabic show the shifting and appearance of new peaks in UV-Visible spectra

has been studied for over 100 years since its discovery as an obligate aerobic N-fixing organism. This model bacterium enabled remarkable discoveries related to aerobic N-fixation, respiration, microbial physiology, H production and assimilation, and enzyme kinetics, among others. Additionally, it is of great industrial interest due to its ability to produce bioplastics and alginate, and N-fixation

Developing novel electrocatalysts for energy conversion applications is of utmost importance for reaching the energy security of modern society. Here we present a comprehensive investigation of rhodium-modified polycrystalline nickel as an electrocatalyst for hydrogen and oxygen electrode reactions in alkaline media. The surface modification of nickel electrodes was achieved by facile galvanic displacement

Electrochemical deposition can be used to make three-dimensional nanoarray core-shell heterostructures that can effectively solve the issues of low rate performance and small capacity caused by agglomeration and morphological collapse. NiCo phosphates synthesized using conventional methods are susceptible to agglomeration and experience inevitable volume collapse during prolonged charging and discharging

LiFSI-based electrolytes are frontiers amongst candidates for future generation of high-voltage and high-temperature capable Li-ion batteries. Arguably, the biggest disadvantage of these electrolytes is their undesirable ability to corrode aluminium current collectors. Hence, suppressing the Al corrosion in such electrolytes has become a widely discussed topic. Despite that, there is a lack of studies

The Co-Fe-BTC/g-CN/BiO/Ti photoanode with the double Z-type heterojunction was produced by hydrothermal technique and to assemble visible light responsive photocatalytic fuel cell (PFC) with Cu cathode. The synthesized photoanode was characterized by SEM, FT-IR, XPS, XRD and UV–vis DRS analysis. The maximum photocurrent density, maximum power density, and rhodamine B degradation rate of the PFC were

The study simulated copper corrosion in a bentonite/groundwater solution, analyzing the kinetics of metal passivation through potentiodynamic polarization, potentiostatic polarization, and electrochemical impedance spectroscopy experiments. Morphological characterization provided insights into corrosion development patterns, and the mechanisms by which bentonite affects copper corrosion were comprehensively

Silicon negative electrodes dramatically increase the energy density of lithium-ion batteries (LIBs), but there are still many challenges in their practical application due to the limited cycle performance of conventional liquid electrolyte systems. In this study, we clarified that the use of an inorganic solid electrolyte improves the cycle performance of the LIB with the Si negative electrode and

The shuttle of iodine species is considered the obstacle to the application of aqueous zinc iodine (Zn-I) batteries. Although cathode hosts with electrostatic adsorption to iodine species have been developed to suppress the shuttle effect of polyiodide, the strong interaction between polyiodide and hosts significantly slow down the kinetics of oxidation–reduction of iodine species. Here, a host with

MicroRNAs (miRNAs) are important biomarkers for tracking occurrence and development of many diseases, therefore, the reliable, sensitive, fast and accurate detection of miRNAs plays an extremely critical role in clinic diagnosis and treatment of early stage diseases. Herein, we developed ultrasensitive electrochemiluminescence (ECL) biosensor constructed by luminol-diazonium ion functionalized Au/MXene

Pitch-based hierarchical porous carbons (PHPCs) have been fabricated by means of self-templated method that is adopting metal oxides and metallic salts impurities originate from coal tar pitch (CTP) precursor serve as hard template along with KOH activation. The porosity properties of PHPCs are significantly influenced by the mass ratio of KOH to pitch. The micro-morphology, hierarchical porosity constituted

State of charge (SOC) is a critical metric for assessing the remaining capacity of lithium-ion batteries, while convergence time is an essential indicator for evaluating the performance of SOC estimation. To reduce the convergence time of SOC estimation, a novel strategy has been proposed. Initially, an accurate and comprehensive model is employed for lithium-ion batteries, which includes the nonlinear

A multi-principal element alloy consisting of equi-atomic concentrations of Cr, Ni, Ti, and V, was produced by arc melting. The CrNiTiV alloy was characterized using scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, and scanning transmission electron spectroscopy (STEM), revealing a complex microstructure containing five phases. The corrosion performance of the

By altering the deposition pressure during the film growth process using the pulsed laser deposition (PLD) technology, indium selenide (InSe) thin films have been optimized to produce their distinct phases. The phase purity, optical and morphological studies were carried out using XRD, Raman spectroscopy, XPS, UV–visible spectroscopy, AFM and FESEM measurements. A high absorption in the visible region

Response time (τ, defined as the time required for 90% change in the full transmittance modulation, including coloring time τ and bleaching time τ) is an important evaluation index for the performance of electrochromic (EC) materials, and it can directly reflect the microscopic rate of EC process. However, the research on the internal relationship between the response time and the process of electrochemical

Surface, structural and electrochemical analysis of a series of activated carbons obtained from biomass waste was carried out. It has been shown that the proportion of surface oxygen has a significant dependence on the type of feedstock. Minimum oxygen values are shown for activated carbons from precursors obtained as a result of deep processing of cellulose. Structural analysis carried out by two

Pitch-based carbon generally demonstrate remarkable electrochemical performance for sodium-ion batteries (SIBs). In this paper, the medium temperature pitch is successively subjected to heat treatment under high pressure, extraction of toluene to remove soluble matter, and carbonization of toluene insoluble matter, to prepare the anode material, named pitch toluene insoluble anode (PTIA). The PTIA

Methods for automating the selection of key parameters for linear Kramers–Kronig tests are described. These methods include not only new methods and improvements to existing methods for suggesting the optimum number of time constants, but also methods for estimating the limits of the solution space. Methods for optimizing the range of time constants and a method for suggesting the representation of

The construction and study of a fully solid state electrochromic (EC) device with cathodic coloration exhibiting very fast response times (< 1s) is reported using a WO EC layer and a poly (vinyl alcohol) (PVA)- Lithium acetate membrane electrolyte. Broadband dielectric studies on the polymer membranes with different Li concentrations show multiple relaxation mechanisms out of which a segmental relaxation

Platinum-based catalysts are considered the most effective catalysts for the hydrogen evolution reaction (HER) in acidic media; however, they exhibit poor performance in alkaline electrolysis waters, which are currently more commercially developed, due to their sluggish water dissociation ability. Small-sized metal Ru nanoparticles, with metal-hydrogen bond strength close to Pt (approximately 65 kcal/mol)

This study validates the step potential electrochemical spectroscopy (SPECS) method and refines the associated analysis for differentiating the contributions of electrical double layer (EDL) formation and Faradaic reactions to the total charge storage in three-dimensional porous pseudocapacitive electrodes. The modified Poisson–Nernst–Planck (MPNP) model coupled with the Frumkin–Butler–Volmer theory

The effects of fabrication process, namely, calcination temperature, electrode support, and quenching, on electrochemical nitrate reduction were investigated, exemplified by Pd.Sn. electrode. The electrode was characterized by X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, energy-dispersive X-ray spectroscopy, and cyclic voltammetry. Results showed that electrode

A novel catalyst based on nanoparticles of Ni(II) complex was developed to enhance the activity toward alcohol oxidation and hence its possible application in direct alcohol fuel cells (DAFCs). The [Ni(ABP)] complex was formed in a molar ratio 1(Ni):2(ABP), where (ABP) was synthesized based on 4-(Dimethylamino)benzaldehyde (DMBA), 4-Aminoantipyrine (AAP) and 2-aminophenol (AP) through two condensation

Due to the high theoretical capacity, iron-oxide-based FeO (1007 mAh ) and FeO (926 mAh ) materials can be a promising conversion-type anode material for Sodium-ion batteries (SIBs). However, the low electronic conductivity (10 S cm) and 200% volume expansion of iron oxide lead to poor cycle life and capacity retention, limiting its commercial application. In this work, carbon-coated mixed-phase iron

Exploring a simple way that can accurately respond to abnormal temperature increase within battery and then promptly shut down the corresponding thermally abused battery is crucial to improving the thermal safety of lithium-ion batteries (LIBs), yet still faces challenges. To counter this, a temperature-sensitive LCO-P3DPY cathode was constructed with a new conductive polymer, i.e., poly(3-decylpyrrole):

Zinc-based flow batteries hold great promise for grid-scale energy storage. However, the formation of zinc dendrites challenges their lifespan and safety. In this work, we devise a bimetallic organic framework material on carbon cloth (CuZn@MOF-CC) using a one-step dip coating method to address the dendrite issue. The prepared CuZn@MOF-CC promotes the creation of zincophilic sites on the electrode

Manganese oxides are considered a highly promising anode material in lithium ion batteries (LIBs) because of their high theoretical capacity, abundant sources, relatively low voltage hysteresis, nontoxic and cost-effectiveness. Nevertheless, the practical application of these materials faces many challenges such as poor lifespan and serious volume variation during operation. Herein, MnO/MnO–600 composite

Layer SnS has been garnered significant attention for next-generation lithium-ion batteries (LIBs), due to its abundant resources and high theoretical capacity. However, the low initial Coulombic efficiency, large volume expansion and structural degradation have significantly hindered its application in LIBs. Herein, the layer Sn(MoFeCoNiV)S nanosheets (HE3-SnS) grown on the conductive substrate carbon

In the present work, -doped i.e., () have been successfully synthesized by easy and commercial co-precipitation method at atmospheric pressure and temperature. The structural, morphological, chemical, and thermal properties of as-synthesized samples were examined by XRD, FESEM, EDX, XPS, FTIR and TGA techniques. Rietveld refinements of XRD patterns reveal the successful incorporation of in the crystal

Deep eutectic solvents (DES) are being recognized as a highly promising electrolyte option for redox flow batteries. This study examines the impact of modifying the molar ratio of water to a DES consisting of urea and choline chloride on important measures of electrolyte performance, such as viscosity, cyclic voltammetry, and impedance spectroscopy. According to the findings, when the molar ratio of

Metal oxides rich in oxygen vacancies (O) possess excellent intrinsic conductivity, variable valence metal center and high capacitance, which were potential candidates as microbial fuel cells anode. However, their high bacterial toxicity greatly hindered the activity of biofilm. To solve this issue, in this work, polydopamine (PDA) covered capacitive O doped CoO nanosheets were designed and successfully

Green hydrogen production technology is of great significance in realizing energy transition and combating climate change. Recently, with the rapid development of nanomaterials and catalytic technology, transition metal dichalcogenides represented by MoSe have attracted wide attention in the field of hydrogen production. This review comprehensively reviewed the applications and recent progress of MoSe

The suitability of Ag/AgCl electrodes for specific detection of chloride ions in aqueous gels is investigated. In contrast to potentiometric sensors, we use an impedimetric approach and avoid the need for a separate reference electrode through a symmetric two-electrode configuration. As such, electrochemical impedance spectroscopy is employed to characterise the response of the Ag/AgCl electrodes in

The growing need for devices boasting substantial energy and power storage capabilities, like capacitors, is driving extensive research and development efforts toward novel materials endowed with superior electrochemical properties. An example of a promising material in this field is found in carbon nanoonions (CNOs). These carbon-based nanostructures boast remarkable properties such as high conductivity

Accelerating hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) kinetics process is crucial to the development of transition metal oxide based materials as bifunctional catalysts for overall water splitting. Herein, a heterostructured CoFeO/RuO hollow hierarchical nanosheet array (FeRu-CoOx) has been designed by using MOF as template followed by simultaneous etching-doping process

Unlike conventional alloys, where carbon content typically promotes carbide compound formation and reduces localized corrosion resistance, the impact of carbon in additively manufactured materials remains largely unexplored due to rapid cooling rates inhibiting carbide formation. This study addresses the novel question of whether reducing carbon content benefits corrosion performance and its underlying

Irreversible electroporation (IRE) is a non-thermal tissue ablation technique that utilizes high-voltage pulses between electrode pairs to destroy tissue. Numerical models are essential for predicting treatment outcomes and aiding in treatment planning. This paper studies a nonlinear conductivity model (NC) and a multiparametric nonlinear conductivity model (MPNC) to investigate overlapping electroporation

With the escalating commercialization of 5 G technology and the constant emergence of novel electronic devices, the demand for energy density of LiCoO cathode material has been on a consistent rise. Boosting the upper cut-off voltage is an essential approach for enhancing the energy density. While the high-voltage environment facilitates adverse side reactions like irreversible phase transition and

Mechanisms of Al electrochemical deposition/dissolution in acidic AlCl–1-butyl-3-methylimidazolium chloride (BMImCl) ionic liquids are studied. Stationary polarization curves (SPCs) are obtained in the anodic range of potentials. The anodic SPCs are characteristic of electrode processes, which are complicated by passivation phenomena. The peaks intensity of AlCl, AlCl ions were obtained by in-situ

Extensive research has focused on the lithium (Li) metal anode, but progress in developing this technology has been hindered by the formation of lithium dendrites and their irreversible effects. In this study, an inorganic LiF-LiN-rich solid electrolyte interface (SEI) is established in ether electrolyte through the direct use of 2,3-difluoro-5-(trifluoromethyl)pyridine (DP) to enable uniform Li deposition

Spinel structured high entropy oxides (HEO) with three-dimensional Li transport channel and two different Wyckoff sites show high theoretical capacities due to multiple hypervalent ions and abundant oxygen vacancies. However, the intrinsic poor electrical conductivity of oxides and the lack of low-energy-consumption synthesis methods remain problems. Herein, Li with low-electronegativity is introduced

This article optimizes the synthesis parameters of nano coral structured (NC-S) molybdenum disulfide (MoS) using hydrothermal method and enhances its physiochemical properties for high-performance supercapacitors (SC). This nano coral architecture of transition metal dichalcogenides has garnered significant attention for efficient pseudocapacitive charge storage in SC. Herein, this work demonstrates

Nanostructured materials have a great application prospect in the next generation of electrochemical energy storage devices. However, there is a great obstacle for thick and dense electrodes with large tortuosity to simultaneously attain high areal and rate performance at the same time to meet the practical requirements. Herein, a simple electrostatic self-assembly method is adopted to anchor RuO onto

A non-destructive method of detecting the internal information of the system is attempted in a polymer double network for gel polymer electrolyte in lithium-ion battery. The real-time monitoring for polymerization of 1,3-dioxolane (DOL) and cross-linking of cyanoethyl poly(vinyl alcohol) (PVA-CN) is carried out in a coin cell at 0–80 ℃ by means of dielectric spectrum. A widely distributed dielectric

Porous organic polymers (POPs) are a type of promising materials which can be used in energy storage devices. In this study, we synthesized a novel thiophene-sulfur doping POP through Schiff-base condensation reaction between 1,3,5-triaminobenzene (TAB) and 2,5-thiphenedialdehyde (TPDA) at ambient temperature and pressure. With the reduced graphene oxide (rGO) as a template, thiophene-sulfur doping

Electrospinning combined with heating treatment is employed to fabricate N/P -doped carbon nanofibers encapsulating homogenous ultrafine TiO nanoparticles (TiO@N/P-CNFs). Characterization results reveal that one-dimensional electrospun composite nanofibers with high electronic conductivity and structural integrity are interconnected with each other to construct a three-dimensional conductive nanofiber

The ideal solid-state electrolyte must possess high ionic conductivity and exceptional chemical and electrochemical stability. We prepared 70LiS-(30 – )PS-SnSe ( = 0, 0.5, 1, 1.5, 2, 3) glass-ceramic electrolytes doped with SnSe using a facile high-energy ball milling combined with an annealing process. We utilized a “two-step pressing method” to eliminate defects such as voids generated during annealing

Geothermal energy is a sustainable source from Earth's crust, and holds great potential for electricity generation, but corrosion poses a significant challenge. In this study, we employed a range of machine learning models, including linear regression, decision tree, k-nearest neighbors, random forest, and support vector regression to predict uniform and pitting corrosion. Despite limited data performance

In this paper, WO uniformly coated LiNiCoMnO cathode materials are prepared by wet coating method using ammonium metatungstate as tungsten source. The XRD, SEM, and XPS tests show that the cladding process introduced W ions into the NCM lattice, increasing the layer spacing and improving the lithium diffusion rate. The charge/discharge test results indicate that a moderate amount of WO coating can